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    <title>Background map with tile option with leaflet.js</title>
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        <h1>Background map and tile selector using leaflet.js</h1>
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        <p style="max-width: 700px; margin: auto">
          This post describes how to build a very basic
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            >background map</a
          >
          using leaflet.js. We will then be able to use d3.js to add markers,
          annotation and more on top of this map.
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              <div class="bg-light" id="result"></div>
              <br />
              <div>
                <h5>Steps:</h5>
                <ul>
                  <br />
                  <li>List of tiles?</li>
                  <ul>
                    <li>https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png</li>
                    <li>
                      http://{s}.tile.thunderforest.com/cycle/{z}/{x}/{y}.png
                    </li>
                    <li>
                      http://{s}.tile.openstreetmap.fr/osmfr/{z}/{x}/{y}.png
                    </li>
                    <li>
                      http://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png
                    </li>
                    <li></li>
                    <li></li>
                    <li></li>
                  </ul>
                  <br />
                  <li>
                    In this example the world country boundaries are used. Data
                    comes from
                    <a
                      href="http://enjalot.github.io/wwsd/data/world/world-110m.geojson"
                      >here</a
                    >. They are provided at <code>geojson</code> format. If you
                    have a <code>shapefile</code> format, visit the
                    <a href="https://www.d3-graph-gallery.com/backgroundmap"
                      >background map</a
                    >
                    section to see how to proceed.
                  </li>
                  <br />
                  <li>
                    Note that the
                    <a href="https://github.com/d3/d3-geo-projection"
                      >geo.projection</a
                    >
                    plugin is used. It allows to represent the world using
                    different projection. See
                    <a href="">this page of the gallery</a> to see the
                    possibilities.
                  </li>
                  <br />
                  <li>
                    Note: I don't understand the logic behind the
                    <code>.scale</code> part.
                  </li>
                </ul>
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            <!-- ========= show html code ============== -->
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              &larr; Edit me!
            </aside>
            <pre
              class="language-html d-none d3v4-chunk"
            ><code id="code-html-v4" contenteditable="true"><xmp><!DOCTYPE html>
<meta charset="utf-8">

<!-- Load Leaflet -->
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.3.4/dist/leaflet.css" integrity="sha512-puBpdR0798OZvTTbP4A8Ix/l+A4dHDD0DGqYW6RQ+9jxkRFclaxxQb/SJAWZfWAkuyeQUytO7+7N4QKrDh+drA==" crossorigin=""/>
<script src="https://unpkg.com/leaflet@1.3.4/dist/leaflet.js" integrity="sha512-nMMmRyTVoLYqjP9hrbed9S+FzjZHW5gY1TWCHA5ckwXZBadntCNs8kEqAWdrb9O7rxbCaA4lKTIWjDXZxflOcA==" crossorigin=""></script>

<!-- Create an element where the map will take place -->
<div id="mapid"></div>

<style>
#mapid { height: 400px; }
</style>

</xmp></code></pre>
            <!-- ==================================== -->

            <!-- ========= show JS code ==============  -->
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              class="language-js d-none d3v4-chunk"
            ><code id="code-js-v4" contenteditable="true"><xmp><script>

// Initialize the map
// [50, -0.1] are the latitude and longitude
// 4 is the zoom
// mapid is the id of the div where the map will appear
var map = L
  .map('mapid')
  .setView([50, -0.1], 4);

// Tile type: openstreetmap normal
var openstreetmap = L.tileLayer(
  'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
  attribution: 'Map data &copy; <a href="https://www.openstreetmap.org/">OpenStreetMap</a>',
  maxZoom: 6
})

// Tile type: openstreetmap Hot
var openstreetmapHot = L.tileLayer(
  'http://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png', {
  attribution: 'Map data &copy; <a href="https://www.openstreetmap.org/">OpenStreetMap</a>',
  maxZoom: 6
})

// Tile type: openstreetmap Osm
var openstreetmapOsm = L.tileLayer(
  'http://{s}.tile.openstreetmap.fr/osmfr/{z}/{x}/{y}.png', {
  attribution: 'Map data &copy; <a href="https://www.openstreetmap.org/">OpenStreetMap</a>',
  maxZoom: 6
})

//Base layers definition and addition
var allOptions = {
	"Open streetmap": openstreetmap,
  "Open streetmap: Hot": openstreetmapHot,
  "Open streetmap: Osm": openstreetmapOsm
};

// Initialize with openstreetmap
openstreetmap.addTo(map);

// Add baseLayers to map as control layers
L.control.layers(allOptions).addTo(map);

</script></xmp></code></pre>
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            <h3 class="text-uppercase">Related blocks &rarr;</h3>
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              <li>
                <i>Leaflet.js multiple basemap tiles example - </i>by
                <a
                  href="http://bl.ocks.org/cccruzr/2be38431f91ff2adb9ded7c0e0950382"
                  >Camilo Cruz</a
                >
              </li>
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                <i>Basic background with Leaflet - </i
                ><a href="backgroundmap_leaflet.html">link</a>
              </li>
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